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Phylum Ciliophora
1) They have cilia at some stage in the life-cycle. The cilia are used for locomotion or creating a feeding current.
2) They feed heterotrophically usually by phagocytosis.
3) They have two nuclei, i) meganucleus and ii) micronucleus. The former concerned with vegetative functions of thc organisms and the latter with reproductive functions.
Some examples : Puramecium, Styloniclzia, Vorticella, Suctorians
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